In ZIP codes with at least 10 sales, Point Loma (92106) had the biggest annual price increase for resale single-family homes, 34.2 percent, with a median of $1.3 million. It was followed by Bonsall (92003), which was up 30.2 percent for a median of $719,500, and Carlsbad (92009) up 19.7 percent for a median of $1.1 million.